Legal Opinion

Chicago Pneumatic Tool Co. v. Hughes Tool Co. (Two Cases)

Court of Appeals for the Tenth Circuit

Decided March 11, 1950No. 3947_1PublishedCited by 15 opinions

1Opinion of the Court

PHILLIPS, Chief Judge.

On July 19, 1947, Hughes Tool Company, 1 a Delaware corporation, commenced this action against Chicago Pneumatic Tool Company, 2 a Massachusetts corporation, for alleged infringement of four patents. 3

Pneumatic (Mass.) filed an answer in which it set up in addition to other defenses, unclean hands and estoppel by laches, predicated on a motion to dismiss a declaratory judgment suit, 4 commenced August 24, 1944, by Pneumatic (Mass.) and Chicago Pneumatic Tool Company, 5 a New Jersey corporation, against Hughes in the District Court of the United States for the District of…

2Cases cited6 opinions

  1. Crosley Corporation v. Hazeltine CorporationCourt of Appeals for the Third Circuit · 1941
  2. Crosley Corp. v. Westinghouse Electric & Manufacturing Co.Court of Appeals for the Third Circuit · 1942
  3. Chicago Pneumatic Tool Co. v. Hughes Tool Co.Court of Appeals for the Tenth Circuit · 1938
  4. F. X. Hooper Co. v. Samuel M. Langston Co.District Court, D. New Jersey · 1944
  5. Chicago Pneumatic Tool Co. v. Hughes Tool Co.District Court, D. Delaware · 1945

1 more not listed; retrieve them via the Exa API.

3Cited by15 opinions

  1. National Equipment Rental, Ltd. v. A. L. Fowler, D. O. Thomas, and E. O. Thomas, Individually and Doing Business as Fowler Poultry & Egg Co.Court of Appeals for the Second Circuit · 1961
  2. Polaroid Corporation v. CasselmanDistrict Court, S.D. New York · 1962
  3. Cessna Aircraft Co. v. BrownCourt of Appeals for the Tenth Circuit · 1965
  4. O'Hare International Bank, a National Banking Association, Formerly Known as First National Bank of Park Ridge v. William E. LambertCourt of Appeals for the First Circuit · 1972
  5. Chicago Pneumatic Tool Co. v. Hughes Tool Co.Court of Appeals for the Tenth Circuit · 1951

10 more not listed; retrieve them via the Exa API.

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